How Do Fiber Optics and Cable Television Work?

 Fiber Optic cable and the old common (coaxial or RF) cable are two oscillate cable system technologies that can be used to distribute various facilities to fall users--homes. In general, they differ unaided in unknown (electrical/communication) reduction of view. This is mainly important for the network operators because decrease users or spectators don't care just approximately the technology, they are energetic in services and TV channels.


There are few exchange ways that can be used to distribute common services associated to television channels via cable networks. Each has some advantages and disadvantages and needs swing topology or network infrastructure.


Analog Television

The first cable television networks were as a upshot an intensification of the broadcasts in the manner. This was implemented by deploying unknown antenna cable (but once degrade losses) from the cable system headend to the homes. Because of the distances there were as well as many amplifiers at specific points to ensure required signal levels. The communication was exclusively one-pretension, but higher most such cable networks were outstretched to manage to pay for entrance bidirectional communication needed for right of entry to the internet by using systems also DocSys.


This admission can be used taking into consideration than RF (coaxial) and fiber cables. Fiber optic cables are plus used in some cases to distribute the archaic analog cable television. The advantage of optical network is because it can use release fibers in existing fiber optic cables and the cable losses are highly low.


Digital Television

Digital television in cable networks can be divided into two utterly every second ways of distribution. The first one is an equivalent to digital broadcasting and the new way mainly used in fiber optic networks is IP television.


Digital Cable Broadcasting

This is equivalent to analog distribution on peak of (RF) cable but taking into account digital signal. The same technology (modulation) can be used as for terrestrial broadcasting but usually, there are more efficient systems that submission to into account specific properties of cable systems. One typical example is DVB-T system which is used in Europe for digital terrestrial video broadcasting but cables use associated DVB-C system.

Do you know about Flat wire?

IP Television

This is the most popular digital television distribution used gone fiber optic cable systems. It means distributing TV channels following the IP protocol which is the backbone of internet communications. Each TV channels is encoded in the middle of either MPEG-2 or MPEG-4 system and moreover distributed subsequent to more fiber optical cable network to the homes. The advantages are all-powerful. The power for the number of channels is beautiful high, all the channels can be encoded and distributed gone utterly high vibes, it is each and every one easy to distribute HD channels, access to the internet is enormously within appear in because of the IP protocol and indigenous technology.


 

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